### blacklist for dns_blocklist:

# examples
facebook.com
akamaihd.net
fbcdn.net
fb.me
fbsbx.com
mozsocial.cliqz.com

# from https://spyware.neocities.org/articles/firefox.html
detectportal.firefox.com
safebrowsing.google.com
safebrowsing-cache.google.com
getpocket.com
self-repair.mozilla.org
snippets.cdn.mozilla.net
